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ppm.c code style

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This patch removes some extra curly brackets, some empty lines,
extra spaces,...

This source file had some empty if blocks. Now are removed.

This patch also changes some preprocessor macros for C code.
This commit is contained in:
Rodolfo García Peñas (kix)
2013-09-05 21:08:12 +02:00
committed by Carlos R. Mafra
parent cd5e004127
commit 2bdeb693f6
1 changed files with 66 additions and 64 deletions
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130
wrlib/ppm.c
View File

@@ -30,53 +30,46 @@
#include "wraster.h"
#include "imgformat.h"
static RImage *load_graymap(FILE * file, int w, int h, int max, int raw)
static RImage *load_graymap(FILE *file, int w, int h, int max, int raw)
{
RImage *image;
unsigned char *ptr;
char *buf;
int x, y;
image = RCreateImage(w, h, 0);
if (!image) {
if (!image)
return NULL;
}
if (!raw) {
} else {
if (max < 256) {
unsigned char *ptr;
char *buf;
int x, y;
if (!raw)
return image;
buf = malloc(w + 1);
if (!buf) {
if (max < 256) {
buf = malloc(w + 1);
if (!buf)
return NULL;
ptr = image->data;
for (y = 0; y < h; y++) {
if (!fread(buf, w, 1, file)) {
free(buf);
RErrorCode = RERR_BADIMAGEFILE;
return NULL;
}
ptr = image->data;
for (y = 0; y < h; y++) {
if (!fread(buf, w, 1, file)) {
free(buf);
goto short_file;
}
for (x = 0; x < w; x++) {
*(ptr++) = buf[x];
*(ptr++) = buf[x];
*(ptr++) = buf[x];
}
for (x = 0; x < w; x++) {
*(ptr++) = buf[x];
*(ptr++) = buf[x];
*(ptr++) = buf[x];
}
free(buf);
} else {
}
free(buf);
}
return image;
short_file:
RErrorCode = RERR_BADIMAGEFILE;
return NULL;
}
static RImage *load_pixmap(FILE * file, int w, int h, int max, int raw)
static RImage *load_pixmap(FILE *file, int w, int h, int max, int raw)
{
RImage *image;
int i;
@@ -84,33 +77,29 @@ static RImage *load_pixmap(FILE * file, int w, int h, int max, int raw)
unsigned char *ptr;
image = RCreateImage(w, h, 0);
if (!image) {
if (!image)
return NULL;
}
if (!raw)
return image;
ptr = image->data;
if (!raw) {
} else {
if (max < 256) {
i = 0;
while (i < w * h) {
if (fread(buf, 1, 3, file) != 3)
goto short_file;
*(ptr++) = buf[0];
*(ptr++) = buf[1];
*(ptr++) = buf[2];
i++;
if (max < 256) {
i = 0;
while (i < w * h) {
if (fread(buf, 1, 3, file) != 3) {
RErrorCode = RERR_BADIMAGEFILE;
return NULL;
}
} else {
*(ptr++) = buf[0];
*(ptr++) = buf[1];
*(ptr++) = buf[2];
i++;
}
}
return image;
short_file:
RErrorCode = RERR_BADIMAGEFILE;
return NULL;
}
RImage *RLoadPPM(const char *file_name)
@@ -121,8 +110,6 @@ RImage *RLoadPPM(const char *file_name)
int w, h, m;
int type;
#define GETL() if (!fgets(buffer, 255, file)) goto short_file
file = fopen(file_name, "rb");
if (!file) {
RErrorCode = RERR_OPEN;
@@ -130,7 +117,11 @@ RImage *RLoadPPM(const char *file_name)
}
/* get signature */
GETL();
if (!fgets(buffer, 255, file)) {
RErrorCode = RERR_BADIMAGEFILE;
fclose(file);
return NULL;
}
/* only accept raw pixmaps or graymaps */
if (buffer[0] != 'P' || (buffer[1] != '5' && buffer[1] != '6')) {
@@ -143,19 +134,36 @@ RImage *RLoadPPM(const char *file_name)
/* skip comments */
while (1) {
GETL();
if (!fgets(buffer, 255, file)) {
RErrorCode = RERR_BADIMAGEFILE;
fclose(file);
return NULL;
}
if (buffer[0] != '#')
break;
}
/* get size */
if (sscanf(buffer, "%i %i", &w, &h) != 2 || w < 1 || h < 1)
goto bad_file;
if (sscanf(buffer, "%i %i", &w, &h) != 2 || w < 1 || h < 1) {
/* Short file */
RErrorCode = RERR_BADIMAGEFILE;
fclose(file);
return NULL;
}
GETL();
if (sscanf(buffer, "%i", &m) != 1 || m < 1)
goto bad_file;
if (!fgets(buffer, 255, file)) {
RErrorCode = RERR_BADIMAGEFILE;
fclose(file);
return NULL;
}
if (sscanf(buffer, "%i", &m) != 1 || m < 1) {
/* Short file */
RErrorCode = RERR_BADIMAGEFILE;
fclose(file);
return NULL;
}
if (type == '5')
image = load_graymap(file, w, h, m, type == '5');
@@ -164,10 +172,4 @@ RImage *RLoadPPM(const char *file_name)
fclose(file);
return image;
bad_file:
short_file:
RErrorCode = RERR_BADIMAGEFILE;
fclose(file);
return NULL;
}