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Remove maximal line length in configuration file

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project-repo 2022-12-28 10:08:23 +01:00
commit fef49429f5
1 changed files with 24 additions and 6 deletions
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30
cagebreak.c
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@ -7,6 +7,7 @@
*/
#define _POSIX_C_SOURCE 200812L
#define _DEFAULT_SOURCE
#include "config.h"
@ -165,30 +166,47 @@ parse_args(struct cg_server *server, int argc, char *argv[]) {
/* Parse config file. Lines longer than "max_line_size" are ignored */
int
set_configuration(struct cg_server *server,
const char *const config_file_path) {
const char *const config_file_path) {
FILE *config_file = fopen(config_file_path, "r");
if(config_file == NULL) {
wlr_log(WLR_ERROR, "Could not open config file \"%s\"",
config_file_path);
config_file_path);
return 1;
}
char line[MAX_LINE_SIZE * sizeof(char)];
for(unsigned int line_num = 1;
fgets(line, MAX_LINE_SIZE, config_file) != NULL; ++line_num) {
uint32_t line_length=64;
char *line=calloc(line_length,sizeof(char));
for(unsigned int line_num = 1;; ++line_num) {
do {
line_length*=2;
line=reallocarray(line,line_length,sizeof(char));
if(line == NULL) {
wlr_log(WLR_ERROR, "Could not allocate buffer for reading configuration file.");
return 1;
}
if(fgets(line+strlen(line), line_length-strlen(line), config_file)) {
break;
}
} while(strcspn(line,"\n")==line_length-1);
if(strlen(line)==0) {
break;
}
line[strcspn(line, "\n")] = '\0';
if(*line != '\0' && *line != '#') {
char *errstr;
if(parse_rc_line(server, line, &errstr) != 0) {
wlr_log(WLR_ERROR, "Error in config file \"%s\", line %d\n",
config_file_path, line_num);
config_file_path, line_num);
fclose(config_file);
if(errstr != NULL) {
free(errstr);
}
free(line);
return -1;
}
}
memset(line,0,line_length*sizeof(char));
}
free(line);
fclose(config_file);
return 0;
}