microtherion/VocalEasel
1
0
Fork 0
mirror of https://github.com/microtherion/VocalEasel.git synced 2024-12-22 11:14:00 +00:00
Code Issues Packages Projects Releases Wiki Activity

More robust technique for reading from pipeline

Browse Source
This commit is contained in:
Matthias Neeracher 2006-11-10 08:54:00 +00:00
parent 24b15c0f14
commit 97de91380c
1 changed files with 21 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
Sources/VLAppController.mm
View File

@ -64,18 +64,28 @@
- (NSString*)getLineFromCommand:(NSString*)command - (NSString*)getLineFromCommand:(NSString*)command
{ {
char line[1000]; char line[1000];
FILE * output = popen([command UTF8String], "r"); FILE * output = popen([command UTF8String], "r");
if (fgets(line, 1000, output)) { NSString * outLine = nil;
size_t len = strlen(line); for (int attempts=0; attempts<5; ++attempts)
if (len && line[len-1]=='\n') { if (fgets(line, 1000, output)) {
line[len-1] = 0; size_t len = strlen(line);
return [NSString stringWithUTF8String:line]; if (len && line[len-1]=='\n') {
} line[len-1] = 0;
} else outLine = [NSString stringWithUTF8String:line];
NSLog(@"Failed command: %@ %s (%d)\n", command, feof(output) ? "EOF" : "Error", errno); }
} else if (feof(output))
break;
else
clearerr(output);
if (!outLine)
NSLog(@"Failed command: %@ %s (%d)\n", command,
feof(output) ? "EOF" : "Error", errno);
pclose(output); pclose(output);
return nil;
return outLine;
} }
- (NSString *)lilypondVersion:(NSString *)path - (NSString *)lilypondVersion:(NSString *)path