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-rw-r--r--src/main.c36
1 files changed, 23 insertions, 13 deletions
diff --git a/src/main.c b/src/main.c
index df2ef79..325f8af 100644
--- a/src/main.c
+++ b/src/main.c
@@ -38,7 +38,7 @@ struct prog_param
struct prog_param parse_args(int argc, char *argv[]);
-void print_help( void );
+void print_help( char* _argv_0 );
int main(int argc, char *argv[])
{
@@ -114,7 +114,7 @@ struct prog_param parse_args(int argc, char *argv[])
for(int o = 1; o < strlen(argv[icpy]); o++) {
switch(argv[icpy][o]) {
case 'h':
- print_help();
+ print_help( argv[0] );
exit(0);
break;
case 'x':
@@ -143,7 +143,7 @@ struct prog_param parse_args(int argc, char *argv[])
break;
default:
printf("Unrecognized Option '%c'\n", argv[icpy][o]);
- print_help();
+ print_help( argv[0] );
exit(1);
};//switch
}//for o
@@ -152,7 +152,7 @@ struct prog_param parse_args(int argc, char *argv[])
ret.filename = argv[i];
} else {
printf("Wrong number of arguments\n");
- print_help();
+ print_help( argv[0] );
exit(1);
}
}//for i
@@ -160,13 +160,13 @@ struct prog_param parse_args(int argc, char *argv[])
if(ret.filename == NULL && !ret.use_stdin )
{
printf("No input file. Use -i to read from stdin\n");
- print_help();
+ print_help( argv[0] );
exit(1);
}
if(ret.use_whitespace && !ret.color) {
printf("use -w only with -c\n");
- print_help();
+ print_help( argv[0] );
exit(1);
}
@@ -176,13 +176,23 @@ struct prog_param parse_args(int argc, char *argv[])
return ret;
}
-void print_help( void )
+void print_help( char* _argv_0 )
{
- printf("ASCIIMap\n(c) 2019 Jonas Gunz, github.com/kompetenzbolzen/AsciiMap\n");
- printf("ASCIIMap prints a ASCII representation of a bitmap image\n\nUsage: [OPTIONS] FILENAME\n");
- printf("Options:\n -h: Print this help message\n -x VAL: set the width of block wich makes up one character. Default: %i\n", CHAR_SIZE_X);
- printf(" -y VAL: set the height of block wich makes up one character. Default: 2*x\n -c: Print in ANSI color mode. Default: OFF\n");
- printf(" -i: Read from STDIN instead of file.\n -w: print only whitespaces with background color\n");
- printf(" -d: Dynamic brightness range\n -m PALETTE: specify custom character palette from darkest to brightest\n");
+ printf(
+ "ASCIIMap\n"
+ "(c) 2019 Jonas Gunz, github.com/kompetenzbolzen/AsciiMap\n"
+ "ASCIIMap prints a ASCII representation of a bitmap image\n\n"
+ "Usage: %s [OPTIONS] FILENAME\n"
+ "Options:\n"
+ " -h: Print this help message\n"
+ " -x VAL: set the width of block wich makes up one character. Default: %i\n"
+ " -y VAL: set the height of block wich makes up one character. Default: 2*x\n"
+ " -c: Print in ANSI color mode. Default: OFF\n"
+ " -i: Read from STDIN instead of file.\n"
+ " -w: print only whitespaces with background color\n"
+ " -d: Dynamic brightness range\n -m PALETTE: specify custom character palette from darkest to brightest\n",
+ _argv_0,
+ CHAR_SIZE_X
+ );
}