aaitmouh / ima3_projet_pa_2018

Commit baa0cbaa7359fd0ba94344e18258b908c83b9667

Authored by Arezki AIT MOUHEB
1 parent 56f74995

Optimisation du BUFFER_SIZE

Showing 1 changed file with 11 additions and 3 deletions   Show diff stats
Inline Side-by-side
@@ -4,17 +4,19 @@ @@ -4,17 +4,19 @@
4 #include <stdlib.h> 4 #include <stdlib.h>
5 5
6 // Conditionals 6 // Conditionals
7 -const bool IS_DEBUG = false; 7 +const bool IS_DEBUG = true;
8 8
9 // Constants 9 // Constants
10 -const unsigned int BUFFER_SIZE = 2048;  
11 -const unsigned int FIELD_SIZE = 20; 10 +const unsigned int BUFFER_SIZE = 620; // (FIELD SIZE = 20) x (NUMBER OF FIELDS = 31) = 620 BYTES // OPTIMIZATION
  11 +const unsigned int FIELD_SIZE = 20; // NUMBER OF CHAR PER FIELD
12 const char CSV_DELIMITERS[] = ","; 12 const char CSV_DELIMITERS[] = ",";
13 13
14 // Globals 14 // Globals
15 char** CSV_HEADER_FIELDS; 15 char** CSV_HEADER_FIELDS;
16 unsigned int CSV_NB_FIELDS; 16 unsigned int CSV_NB_FIELDS;
17 17
  18 +
  19 +//########################################################################
18 void display_header() 20 void display_header()
19 { 21 {
20 for(unsigned int i = 0; i < CSV_NB_FIELDS; i++) 22 for(unsigned int i = 0; i < CSV_NB_FIELDS; i++)
@@ -23,6 +25,8 @@ void display_header() @@ -23,6 +25,8 @@ void display_header()
23 } 25 }
24 } 26 }
25 27
  28 +
  29 +//########################################################################
26 void read_csv_header(char * header_line) 30 void read_csv_header(char * header_line)
27 { 31 {
28 int line_length = strlen(header_line); 32 int line_length = strlen(header_line);
@@ -41,6 +45,7 @@ void read_csv_header(char * header_line) @@ -41,6 +45,7 @@ void read_csv_header(char * header_line)
41 } 45 }
42 46
43 // Globals allocation 47 // Globals allocation
  48 + if (IS_DEBUG) printf("number of fields: %d\n",nb_fields); // TO BE REMOVED LATER
44 CSV_NB_FIELDS = nb_fields; 49 CSV_NB_FIELDS = nb_fields;
45 CSV_HEADER_FIELDS = malloc( nb_fields * sizeof(char*) ); 50 CSV_HEADER_FIELDS = malloc( nb_fields * sizeof(char*) );
46 51
@@ -58,6 +63,7 @@ void read_csv_header(char * header_line) @@ -58,6 +63,7 @@ void read_csv_header(char * header_line)
58 if (IS_DEBUG) display_header(); 63 if (IS_DEBUG) display_header();
59 } 64 }
60 65
  66 +//########################################################################
61 void read_csv_file(const char * filename) 67 void read_csv_file(const char * filename)
62 { 68 {
63 FILE* fp = fopen(filename, "r"); 69 FILE* fp = fopen(filename, "r");
@@ -98,11 +104,13 @@ void read_csv_file(const char * filename) @@ -98,11 +104,13 @@ void read_csv_file(const char * filename)
98 fclose(fp); 104 fclose(fp);
99 } 105 }
100 106
  107 +//########################################################################
101 void usage(const char * prog_name) 108 void usage(const char * prog_name)
102 { 109 {
103 printf("Usage is %s your_csv_file\n\n", prog_name); 110 printf("Usage is %s your_csv_file\n\n", prog_name);
104 } 111 }
105 112
  113 +//########################################################################
106 int main(int argc, char * argv[]) 114 int main(int argc, char * argv[])
107 { 115 {
108 if (2 != argc) 116 if (2 != argc)