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parsing filename for filetype

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Tonton Th 2019-10-30 15:49:53 +01:00
parent 6fe06f695a
commit cf70ca6b81
3 changed files with 55 additions and 2 deletions
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6
floatimg.h
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@ -32,6 +32,10 @@ typedef struct {
#define FIMG_TYPE_RGB 3
#define FIMG_TYPE_RGBA 4
#define FILE_TYPE_FIMG 1
#define FILE_TYPE_PNM 2
#define FILE_TYPE_PNG 3
/*
* core module
*/
@ -91,6 +95,8 @@ int fimg_draw_something(FloatImg *fimg);
int parse_WxH(char *str, int *pw, int *ph);
int parse_double(char *str, double *dptr);
int format_from_extension(char *fname);

28
funcs/t.c
View File

@ -9,7 +9,7 @@
#include "../floatimg.h"
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[])
int essai_parse_double(void)
{
int foo;
double dval;
@ -34,3 +34,29 @@ printf("%-10s -> %3d %g\n", str, foo, dval);
return 0;
}
/* --------------------------------------------------------------------- */
int essai_detect_type(void)
{
int foo;
char *fname;
foo = format_from_extension(fname="foo.fimg");
printf("%-10s %d\n\n", fname, foo);
foo = format_from_extension(fname="foo.pNm");
printf("%-10s %d\n\n", fname, foo);
foo = format_from_extension(fname="foo.xyzzy");
printf("%-10s %d\n\n", fname, foo);
return 0;
}
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
int foo;
foo = essai_detect_type();
return 0;
}
/* --------------------------------------------------------------------- */

23
funcs/utils.c
View File

@ -1,7 +1,7 @@
#include <stdio.h>
#include <string.h>
#include "../floatimg.h"
@ -42,3 +42,24 @@ if (1 == foo) {
return -1;
}
/* --------------------------------------------------------------------- */
int format_from_extension(char *fname)
{
char *cptr;
cptr = rindex(fname, '.');
if (NULL==cptr) {
fprintf(stderr, "do dot in %s\n", fname);
return -1;
}
#if DEBUG_LEVEL
fprintf(stderr, "[%s] --> [%s]\n", fname, cptr);
#endif
if (!strcasecmp(cptr, ".pnm")) return FILE_TYPE_PNM;
if (!strcasecmp(cptr, ".fimg")) return FILE_TYPE_FIMG;
if (!strcasecmp(cptr, ".png")) return FILE_TYPE_PNG;
return -1;
}
/* --------------------------------------------------------------------- */