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Fix a bunch of warnings reported by gcc (unused results from fwrite)

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This commit is contained in:
Mathieu Malaterre 2011-12-12 08:55:44 +00:00
parent b081ff2813
commit 72867bc692
3 changed files with 144 additions and 87 deletions
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213
applications/codec/convert.c
View File

@ -68,7 +68,7 @@ static int int_floorlog2(int a) {
<<-- <<-- <<-- <<-- */
#ifdef INFORMATION_ONLY
// TGA header definition.
/* TGA header definition. */
struct tga_header
{
unsigned char id_length; /* Image id field length */
@ -144,7 +144,7 @@ int tga_readheader(FILE *fp, unsigned int *bits_per_pixel,
*width = (unsigned int)image_w;
*height = (unsigned int)image_h;
// Ignore tga identifier, if present ...
/* Ignore tga identifier, if present ... */
if (id_len)
{
unsigned char *id = (unsigned char *) malloc(id_len);
@ -157,9 +157,9 @@ int tga_readheader(FILE *fp, unsigned int *bits_per_pixel,
free(id);
}
// Test for compressed formats ... not yet supported ...
/* Test for compressed formats ... not yet supported ...
// Note :- 9 - RLE encoded palettized.
// 10 - RLE encoded RGB.
// 10 - RLE encoded RGB. */
if (image_type > 8)
{
fprintf(stderr, "Sorry, compressed tga files are not currently supported.\n");
@ -168,7 +168,7 @@ int tga_readheader(FILE *fp, unsigned int *bits_per_pixel,
*flip_image = !(image_desc & 32);
// Palettized formats are not yet supported, skip over the palette, if present ...
/* Palettized formats are not yet supported, skip over the palette, if present ... */
palette_size = cmap_len * (cmap_entry_size/8);
if (palette_size>0)
@ -199,19 +199,19 @@ int tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height,
}
uc0 = 0;
if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; // id_length
if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; // colour_map_type
if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* id_length */
if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* colour_map_type */
image_type = 2; // Uncompressed.
image_type = 2; /* Uncompressed. */
if(fwrite(&image_type, 1, 1, fp) != 1) goto fails;
us0 = 0;
if(fwrite(&us0, 2, 1, fp) != 1) goto fails; // colour_map_index
if(fwrite(&us0, 2, 1, fp) != 1) goto fails; // colour_map_length
if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; // colour_map_entry_size
if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* colour_map_index */
if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* colour_map_length */
if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* colour_map_entry_size */
if(fwrite(&us0, 2, 1, fp) != 1) goto fails; // x_origin
if(fwrite(&us0, 2, 1, fp) != 1) goto fails; // y_origin
if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* x_origin */
if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* y_origin */
image_w = (unsigned short)width;
image_h = (unsigned short) height;
@ -221,7 +221,7 @@ int tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height,
if(fwrite(&pixel_depth, 1, 1, fp) != 1) goto fails;
image_desc = 8; // 8 bits per component.
image_desc = 8; /* 8 bits per component. */
if (flip_image)
image_desc |= 32;
@ -257,15 +257,15 @@ opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters) {
if (!tga_readheader(f, &pixel_bit_depth, &image_width, &image_height, &flip_image))
return NULL;
// We currently only support 24 & 32 bit tga's ...
/* We currently only support 24 & 32 bit tga's ... */
if (!((pixel_bit_depth == 24) || (pixel_bit_depth == 32)))
return NULL;
/* initialize image components */
memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));
mono = (pixel_bit_depth == 8) || (pixel_bit_depth == 16); // Mono with & without alpha.
save_alpha = (pixel_bit_depth == 16) || (pixel_bit_depth == 32); // Mono with alpha, or RGB with alpha
mono = (pixel_bit_depth == 8) || (pixel_bit_depth == 16); /* Mono with & without alpha. */
save_alpha = (pixel_bit_depth == 16) || (pixel_bit_depth == 32); /* Mono with alpha, or RGB with alpha */
if (mono) {
color_space = CLRSPC_GRAY;
@ -395,6 +395,7 @@ int imagetotga(opj_image_t * image, const char *outfile) {
unsigned char value;
float scale;
FILE *fdest;
size_t res;
fdest = fopen(outfile, "wb");
if (!fdest) {
@ -414,10 +415,10 @@ int imagetotga(opj_image_t * image, const char *outfile) {
width = image->comps[0].w;
height = image->comps[0].h;
// Mono with alpha, or RGB with alpha.
/* Mono with alpha, or RGB with alpha. */
write_alpha = (image->numcomps==2) || (image->numcomps==4);
// Write TGA header
/* Write TGA header */
bpp = write_alpha ? 32 : 24;
if (!tga_writeheader(fdest, bpp, width , height, OPJ_TRUE))
return 1;
@ -440,25 +441,41 @@ int imagetotga(opj_image_t * image, const char *outfile) {
g = (float)(image->comps[1].data[index] + adjustG);
b = (float)(image->comps[2].data[index] + adjustB);
}
else {// Greyscale ...
else {/* Greyscale ... */
g = r;
b = r;
}
// TGA format writes BGR ...
/* TGA format writes BGR ... */
value = (unsigned char)(b*scale);
fwrite(&value,1,1,fdest);
res = fwrite(&value,1,1,fdest);
if( res < 1 ) {
fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
return 1;
}
value = (unsigned char)(g*scale);
fwrite(&value,1,1,fdest);
res = fwrite(&value,1,1,fdest);
if( res < 1 ) {
fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
return 1;
}
value = (unsigned char)(r*scale);
fwrite(&value,1,1,fdest);
res = fwrite(&value,1,1,fdest);
if( res < 1 ) {
fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
return 1;
}
if (write_alpha) {
a = (float)(image->comps[alpha_channel].data[index]);
value = (unsigned char)(a*scale);
fwrite(&value,1,1,fdest);
res = fwrite(&value,1,1,fdest);
if( res < 1 ) {
fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
return 1;
}
}
}
}
@ -691,7 +708,7 @@ opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters)
free(RGB);
}/* if (Info_h.biBitCount == 24) */
else
if (Info_h.biBitCount == 8 && Info_h.biCompression == 0)//RGB
if (Info_h.biBitCount == 8 && Info_h.biCompression == 0)/*RGB */
{
if(Info_h.biClrUsed == 0) Info_h.biClrUsed = 256;
else
@ -802,7 +819,7 @@ opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters)
free(table_B);
}/* RGB8 */
else
if (Info_h.biBitCount == 8 && Info_h.biCompression == 1)//RLE8
if (Info_h.biBitCount == 8 && Info_h.biCompression == 1)/*RLE8*/
{
unsigned char *pix, *beyond;
int *gray, *red, *green, *blue;
@ -938,7 +955,7 @@ opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters)
}
else
{
//int *red, *green, *blue;
/*int *red, *green, *blue;*/
red = image->comps[0].data;
green = image->comps[1].data;
@ -1348,6 +1365,7 @@ int imagetopgx(opj_image_t * image, const char *outfile) {
char bname[256]; /* buffer for name */
char *name = bname; /* pointer */
int nbytes = 0;
size_t res;
const size_t olen = strlen(outfile);
const size_t dotpos = olen - 4;
const size_t total = dotpos + 1 + 1 + 4; /* '-' + '[1-3]' + '.pgx' */
@ -1360,7 +1378,7 @@ int imagetopgx(opj_image_t * image, const char *outfile) {
name = (char*)malloc(total+1);
}
strncpy(name, outfile, dotpos);
//if (image->numcomps > 1) {
/*if (image->numcomps > 1) {*/
sprintf(name+dotpos, "_%d.pgx", compno);
/*} else {
strcpy(name+dotpos, ".pgx");
@ -1390,7 +1408,11 @@ int imagetopgx(opj_image_t * image, const char *outfile) {
int v = image->comps[compno].data[i];
for (j = nbytes - 1; j >= 0; j--) {
char byte = (char) (v >> (j * 8));
fwrite(&byte, 1, 1, fdest);
res = fwrite(&byte, 1, 1, fdest);
if( res < 1 ) {
fprintf(stderr, "failed to write 1 byte for %s\n", name);
return 1;
}
}
}
fclose(fdest);
@ -1802,7 +1824,7 @@ opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters) {
}
}
else
if((format == 7 && header_info.bw)) //MONO
if((format == 7 && header_info.bw)) /*MONO*/
{
unsigned char uc;
@ -2018,13 +2040,13 @@ int imagetopnm(opj_image_t * image, const char *outfile)
<<-- <<-- <<-- <<-- */
typedef struct tiff_infoheader{
DWORD tiWidth; // Width of Image in pixel
DWORD tiHeight; // Height of Image in pixel
DWORD tiPhoto; // Photometric
WORD tiBps; // Bits per sample
WORD tiSf; // Sample Format
WORD tiSpp; // Sample per pixel 1-bilevel,gray scale , 2- RGB
WORD tiPC; // Planar config (1-Interleaved, 2-Planarcomp)
DWORD tiWidth; /* Width of Image in pixel*/
DWORD tiHeight; /* Height of Image in pixel */
DWORD tiPhoto; /* Photometric */
WORD tiBps; /* Bits per sample */
WORD tiSf; /* Sample Format */
WORD tiSpp; /* Sample per pixel 1-bilevel,gray scale , 2- RGB */
WORD tiPC; /* Planar config (1-Interleaved, 2-Planarcomp) */
}tiff_infoheader_t;
int imagetotif(opj_image_t * image, const char *outfile)
@ -2130,7 +2152,7 @@ int imagetotif(opj_image_t * image, const char *outfile)
}
else
break;
}//for(i = 0;)
}/*for(i = 0;)*/
if(last_i < ssize)
{
@ -2163,10 +2185,10 @@ int imagetotif(opj_image_t * image, const char *outfile)
}
else
break;
}//for(i)
}//if(last_i < ssize)
}/*for(i)*/
}/*if(last_i < ssize)*/
} //if(bps == 8)
} /*if(bps == 8)*/
else
if(bps == 16)
{
@ -2198,8 +2220,8 @@ int imagetotif(opj_image_t * image, const char *outfile)
b = (b<<ushift) + (b>>dshift);
if(has_alpha) a = (a<<ushift) + (a>>dshift);
}
dat8[i+0] = r;//LSB
dat8[i+1] = (r >> 8);//MSB
dat8[i+0] = r;/*LSB*/
dat8[i+1] = (r >> 8);/*MSB*/
dat8[i+2] = g;
dat8[i+3] = (g >> 8);
dat8[i+4] = b;
@ -2214,7 +2236,7 @@ int imagetotif(opj_image_t * image, const char *outfile)
}
else
break;
}//for(i = 0;)
}/*for(i = 0;)*/
if(last_i < ssize)
{
@ -2243,8 +2265,8 @@ int imagetotif(opj_image_t * image, const char *outfile)
b = (b<<ushift) + (b>>dshift);
if(has_alpha) a = (a<<ushift) + (a>>dshift);
}
dat8[i+0] = r;//LSB
if(i+1 < ssize) dat8[i+1] = (r >> 8);else break;//MSB
dat8[i+0] = r;/*LSB*/
if(i+1 < ssize) dat8[i+1] = (r >> 8);else break;/*MSB*/
if(i+2 < ssize) dat8[i+2] = g; else break;
if(i+3 < ssize) dat8[i+3] = (g >> 8);else break;
if(i+4 < ssize) dat8[i+4] = b; else break;
@ -2259,18 +2281,18 @@ int imagetotif(opj_image_t * image, const char *outfile)
}
else
break;
}//for(i)
}//if(last_i < ssize)
}/*for(i)*/
}/*if(last_i < ssize)*/
}//if(bps == 16)
}/*if(bps == 16)*/
(void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size);
}//for(strip = 0; )
}/*for(strip = 0; )*/
_TIFFfree((void*)buf);
TIFFClose(tif);
return 0;
}//RGB(A)
}/*RGB(A)*/
if(image->numcomps == 1 /* GRAY */
|| ( image->numcomps == 2 /* GRAY_ALPHA */
@ -2331,8 +2353,8 @@ int imagetotif(opj_image_t * image, const char *outfile)
}
else
break;
}//for(i )
}//if(bps == 8
}/*for(i )*/
}/*if(bps == 8*/
else
if(bps == 16)
{
@ -2357,21 +2379,21 @@ int imagetotif(opj_image_t * image, const char *outfile)
r = (r<<ushift) + (r>>dshift);
if(has_alpha) a = (a<<ushift) + (a>>dshift);
}
dat8[i+0] = r;//LSB
dat8[i+1] = r >> 8;//MSB
dat8[i+0] = r;/*LSB*/
dat8[i+1] = r >> 8;/*MSB*/
if(has_alpha)
{
dat8[i+2] = a;
dat8[i+3] = a >> 8;
}
index++;
}//if(index < imgsize)
}/*if(index < imgsize)*/
else
break;
}//for(i )
}/*for(i )*/
}
(void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size);
}//for(strip
}/*for(strip*/
_TIFFfree(buf);
TIFFClose(tif);
@ -2541,9 +2563,9 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
{
if(index < imgsize)
{
image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0]; // R
image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2]; // G
image->comps[2].data[index] = ( dat8[i+5] << 8 ) | dat8[i+4]; // B
image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0]; /* R */
image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2]; /* G */
image->comps[2].data[index] = ( dat8[i+5] << 8 ) | dat8[i+4]; /* B */
if(has_alpha)
image->comps[3].data[index] = ( dat8[i+7] << 8 ) | dat8[i+6];
@ -2565,8 +2587,8 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
}
else
break;
}//for(i = 0)
}//if(Info.tiBps == 16)
}/*for(i = 0)*/
}/*if(Info.tiBps == 16)*/
else
if(Info.tiBps == 8)
{
@ -2576,9 +2598,9 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
{
if(index < imgsize)
{
image->comps[0].data[index] = dat8[i+0];// R
image->comps[1].data[index] = dat8[i+1];// G
image->comps[2].data[index] = dat8[i+2];// B
image->comps[0].data[index] = dat8[i+0];/* R */
image->comps[1].data[index] = dat8[i+1];/* G */
image->comps[2].data[index] = dat8[i+2];/* B */
if(has_alpha)
image->comps[3].data[index] = dat8[i+3];
@ -2593,11 +2615,11 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
image->comps[3].data[index] = image->comps[3].data[index] << 4 ;
}
index++;
}//if(index
}/*if(index*/
else
break;
}//for(i )
}//if( Info.tiBps == 8)
}/*for(i )*/
}/*if( Info.tiBps == 8)*/
else
if(Info.tiBps == 12)/* CINEMA file */
{
@ -2620,15 +2642,15 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
}
else
break;
}//for(i )
}/*for(i )*/
}
}//for(strip = 0; )
}/*for(strip = 0; )*/
_TIFFfree(buf);
TIFFClose(tif);
return image;
}//RGB(A)
}/*RGB(A)*/
if(Info.tiPhoto == PHOTOMETRIC_MINISBLACK) /* GRAY(A) */
{
@ -2691,7 +2713,7 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
}
else
break;
}//for(i )
}/*for(i )*/
}
else
if(Info.tiBps == 8)
@ -2709,14 +2731,14 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
}
else
break;
}//for(i )
}/*for(i )*/
}
}//for(strip = 0;
}/*for(strip = 0;*/
_TIFFfree(buf);
TIFFClose(tif);
}//GRAY(A)
}/*GRAY(A)*/
return image;
@ -2835,6 +2857,7 @@ opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters, raw
int imagetoraw(opj_image_t * image, const char *outfile)
{
FILE *rawFile = NULL;
size_t res;
int compno;
int w, h;
int line, row;
@ -2872,7 +2895,11 @@ int imagetoraw(opj_image_t * image, const char *outfile)
for (line = 0; line < h; line++) {
for(row = 0; row < w; row++) {
curr = (signed char) (*ptr & mask);
fwrite(&curr, sizeof(signed char), 1, rawFile);
res = fwrite(&curr, sizeof(signed char), 1, rawFile);
if( res < 1 ) {
fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
return 1;
}
ptr++;
}
}
@ -2885,7 +2912,11 @@ int imagetoraw(opj_image_t * image, const char *outfile)
for (line = 0; line < h; line++) {
for(row = 0; row < w; row++) {
curr = (unsigned char) (*ptr & mask);
fwrite(&curr, sizeof(unsigned char), 1, rawFile);
res = fwrite(&curr, sizeof(unsigned char), 1, rawFile);
if( res < 1 ) {
fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
return 1;
}
ptr++;
}
}
@ -2903,9 +2934,17 @@ int imagetoraw(opj_image_t * image, const char *outfile)
unsigned char temp;
curr = (signed short int) (*ptr & mask);
temp = (unsigned char) (curr >> 8);
fwrite(&temp, 1, 1, rawFile);
res = fwrite(&temp, 1, 1, rawFile);
if( res < 1 ) {
fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
return 1;
}
temp = (unsigned char) curr;
fwrite(&temp, 1, 1, rawFile);
res = fwrite(&temp, 1, 1, rawFile);
if( res < 1 ) {
fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
return 1;
}
ptr++;
}
}
@ -2920,9 +2959,17 @@ int imagetoraw(opj_image_t * image, const char *outfile)
unsigned char temp;
curr = (unsigned short int) (*ptr & mask);
temp = (unsigned char) (curr >> 8);
fwrite(&temp, 1, 1, rawFile);
res = fwrite(&temp, 1, 1, rawFile);
if( res < 1 ) {
fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
return 1;
}
temp = (unsigned char) curr;
fwrite(&temp, 1, 1, rawFile);
res = fwrite(&temp, 1, 1, rawFile);
if( res < 1 ) {
fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
return 1;
}
ptr++;
}
}

14
applications/codec/image_to_j2k.c
View File

@ -1681,6 +1681,7 @@ int main(int argc, char **argv) {
if (parameters.cod_format == J2K_CFMT) { /* J2K format output */
int codestream_length;
size_t res;
opj_cio_t *cio = NULL;
FILE *f = NULL;
@ -1715,7 +1716,11 @@ int main(int argc, char **argv) {
fprintf(stderr, "failed to open %s for writing\n", parameters.outfile);
return 1;
}
fwrite(cio->buffer, 1, codestream_length, f);
res = fwrite(cio->buffer, 1, codestream_length, f);
if( res < codestream_length ) {
fprintf(stderr, "failed to write %d (%s)\n", codestream_length, parameters.outfile);
return 1;
}
fclose(f);
fprintf(stderr,"Generated outfile %s\n",parameters.outfile);
@ -1736,6 +1741,7 @@ int main(int argc, char **argv) {
opj_destroy_cstr_info(&cstr_info);
} else { /* JP2 format output */
int codestream_length;
size_t res;
opj_cio_t *cio = NULL;
FILE *f = NULL;
opj_cinfo_t *cinfo = NULL;
@ -1771,7 +1777,11 @@ int main(int argc, char **argv) {
fprintf(stderr, "failed to open %s for writing\n", parameters.outfile);
return 1;
}
fwrite(cio->buffer, 1, codestream_length, f);
res = fwrite(cio->buffer, 1, codestream_length, f);
if( res < codestream_length ) {
fprintf(stderr, "failed to write %d (%s)\n", codestream_length, parameters.outfile);
return 1;
}
fclose(f);
fprintf(stderr,"Generated outfile %s\n",parameters.outfile);
/* close and free the byte stream */

4
libopenjpeg/openjpeg.h
View File

@ -64,7 +64,7 @@ typedef int opj_bool;
#define OPJ_TRUE 1
#define OPJ_FALSE 0
// Avoid compile-time warning because parameter is not used
/* Avoid compile-time warning because parameter is not used */
#define OPJ_ARG_NOT_USED(x) (void)(x)
/*
==========================================================
@ -142,7 +142,7 @@ typedef enum CODEC_FORMAT {
CODEC_UNKNOWN = -1, /**< place-holder */
CODEC_J2K = 0, /**< JPEG-2000 codestream : read/write */
CODEC_JPT = 1, /**< JPT-stream (JPEG 2000, JPIP) : read only */
CODEC_JP2 = 2, /**< JPEG-2000 file format : read/write */
CODEC_JP2 = 2 /**< JPEG-2000 file format : read/write */
} OPJ_CODEC_FORMAT;
/**